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Pulmonary function, oxidative stress and inflammatory markers in severe COPD exacerbation

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2011
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Authors
Stanojković, Ivana
Kotur-Stevuljević, Jelena
Milenković, Branislava
Spasić, Slavica
Vujić, Tatjana
Stefanović, Aleksandra
Ilić, Aleksandra
Ivanišević, Jasmina
Article (Published version)
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Abstract
Background: Oxidative stress and inflammation play an important role in the pathogenesis of chronic: obstructive pulmonary disease (COPD). Objective: Pulmonary function, oxidative stress parameters and inflammatory markers were measured in 74 patients with severe COPD exacerbation and 41 healthy subjects. In patients all parameters were assessed at two time points: Firstly, one day after admission and secondly, after 7-10 days when they were clinically stable enough to be discharged. Patients were divided in two groups according the presence of ischemic heart disease (IHD): IHD positive (IHD+) patients and IHD negative (IHD-) patients. Methods and Results: During hospitalisation O(2)(center dot-), malondialdehyde (MDA), advanced oxidation protein products (AOPP) and total oxidant status (TOS) increased and were higher at discharge compared with admission and the control group. Superoxide dismutase (SOD) activity was significantly lower in COPD patients at both time points compared with... the control group. Total antioxidant status (TAS) was significantly lower and the prooxidant-antioxidant balance (PAB) was higher at both time points in COPD patients compared with the control group. High sensitive C-reactive protein (hsCRP) and also the neutrophil count were significantly higher at admission compared with discharge. Paraoxonase 1 (PON1) enzymatic activities in COPD patients did not differ compared with the control group. IHD+ COPD patients had significantly lower PON1 activity but higher PAB levels and hsCRP concentrations, compared with IHD- COPD patients. Conclusion: The oxidant/antioxidant imbalance was significantly pronounced in patients with COPD exacerbation for at least 24 hours following their admission and when they were clinically stable enough to be discharged. Increased oxidative stress, elevated systemic inflammation and decreased antioxidant defence were common in end-stage disease and particularly COPD patients with ischemic heart disease.

Keywords:
COPD / Inflammation / Oxidative stress / Paraoxonase 1 / Prooxidant-antioxidant balance
Source:
Revue Roumaine de Chimie, 2011, 105
Publisher:
  • W B Saunders Co Ltd, London
Projects:
  • Interactive role of dyslipidemia, oxidative stress and inflammation in atherosclerosis and other diseases: genetic and biochemical markers (RS-175035)

DOI: 10.1016/S0954-6111(11)70008-7

ISSN: 0954-6111

PubMed: 22015083

WoS: 000297779800007

Scopus: 2-s2.0-80054997454
[ Google Scholar ]
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URI
http://farfar.pharmacy.bg.ac.rs/handle/123456789/1514
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  • Radovi istraživača / Researchers’ publications
Institution
Pharmacy

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